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Unexpected Diversity and Complexity of the Guerrero Negro Hypersaline Microbial Mat
The biological complexity of the mat far exceeds that observed in other polysaccharide-rich microbial ecosystems, such as the human and mouse distal guts, and suggests that positive feedbacks exist between chemical complexity and biological diversity.
Candidatus Chloracidobacterium thermophilum: An Aerobic Phototrophic Acidobacterium
“Candidatus Chloracidobacterium thermophilum” is a BChl-producing member of the poorly characterized phylum Acidobacteria, and a highly enriched culture of this bacterium grew photoheterotrophically, synthesized BChls a and c under oxic conditions, and had chlorosomes and type 1 reaction centers.
Prokaryotic photosynthesis and phototrophy illuminated.
Extensive remodeling of a cyanobacterial photosynthetic apparatus in far-red light
- Fei Gan, Shuyi Zhang, N. Rockwell, Shelley S. Martin, J. Lagarias, D. Bryant
- Environmental ScienceScience
- 12 September 2014
Light harvesting in a mat-forming bacterium is biosynthetically optimized, even at extreme wavelengths, and this acclimative response enhances light harvesting for wavelengths complementary to the growth light and enhances oxygen evolution in far-red light.
The complete genome sequence of Chlorobium tepidum TLS, a photosynthetic, anaerobic, green-sulfur bacterium
- J. Eisen, K. Nelson, C. Fraser
- Biology, EngineeringProceedings of the National Academy of Sciences…
- 1 July 2002
Phylogenomic analysis reveals likely duplications of genes involved in biosynthetic pathways for photosynthesis and the metabolism of sulfur and nitrogen as well as strong similarities between metabolic processes in C. tepidum and many Archaeal species.
The Tricarboxylic Acid Cycle in Cyanobacteria
Genes encoding a novel 2-oxoglutarate decarboxylase and succinic semialdehyde dehydrogenase were identified in the cyanobacterium Synechococcus sp.
Type IV pilus biogenesis and motility in the cyanobacterium Synechocystis sp. PCC6803
The PilA1 polypeptide is required for the biogenesis of the thick pilus morphotype which, in turn, is necessary for motility (hence the type IV pili), and two genes encoding proteins with similarity to PilT, which is considered to be a component of the motor essential for type IV pilus‐dependent movement, were inactivated.
The molecular biology of cyanobacteria
- D. Bryant
- Biology, Environmental SciencePhotosynthesis Research
- 28 February 1995
This work focuses on the study of the structure and function of the Photosystem II Reaction Center in Cyanobacteria, which consists of Chloroplast Origins and Evolution, and its role in the Evolution of the Universal Enzyme.
Highly Divergent Methyltransferases Catalyze a Conserved Reaction in Tocopherol and Plastoquinone Synthesis in Cyanobacteria and Photosynthetic Eukaryotes Article, publication date, and citation…
- Z. Cheng, S. Sattler, Hiroshi A. Maeda, Y. Sakuragi, D. Bryant, D. DellaPenna
- BiologyThe Plant Cell Online
- 1 October 2003
In vivo analyses of vte3 mutants and the corresponding homozygous Synechocystis sp PCC6803 sll0418::aphII mutant revealed important differences in enzyme redundancy, the regulation of tocopherol synthesis, and the integration of toCopherol and PQ biosynthesis in cyanobacteria and plants.
Molecular systematic studies of eubacteria, using sigma70-type sigma factors of group 1 and group 2
The data suggest that promoters recognized by the major vegetative sigma factors of eubacteria will contain sequence motifs and spacing very similar to those for the sigma70 sigma factor of Escherichia coli.